a.
Describe the Pooled variance assumption. How does it change thestandard error? What impact does it have on a test statistic? Whatimpact does it have on a p-value?
How do you justify making the assumption?
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b.
| Republican | Democrat | Libertarian |
| Support | 18 | 24 | 8 |
| Don't Support | 14 | 12 | 5 |
The above contingency table was created by asking a sample ofpeople in a given area if they support a measure taken by thegovernment. Â
If The variables were independent how many Republicans in oursample would we expect to Support the measure proposed?
2.
ohn believes he randomly selects his choice in Rock PaperScissors. Â
His friend challenges him to record what he chooses over thenext 3 months. Â
Do a full hypothesis test to see if the data is trulybalanced. Â
